Process of and apparatus for proofing.



L. GEER. DEC'D.

G. O. REDINGTOH 61 D. Q. R. GEEfl. EXECUIORS.

PROCESS OF AND APPARATUS ma PROOFING.

APPLICA HON LED APR. 26 I9l0. 1,160,980. Patented Nov. 16, 1915.

2 SHEETS-SHEET L. GEER. DECD.

G. o. nznmsmu 41 n 0. R. GEER. EXECUTDRS.

PROCESS OF AND APPARATUS FOR PROUFING.

APPLICATION FILED APR, 25, 1910.

1,160,980. l'atvntPd Nov. lb, HHS.

2 SHETS-SHEET 2.

A; 7 ya /.i A, a /0 d/farn aw UNITED STATES PATENT OFFICE.

LAKGDON GEEK, OF NEW YORK, N. Y.; GEORGE O. BEDINGTON AND DOROTHY Q.ROOSEVELT GEEB, OF NEW YORK, N. Y, EXECUTOBS OF SAID LANGDON GEEB,

DECEASED.

PROCESS OF AND APPARATUS F01. PROOFING.

Specification of Letters Patent.

Patented Nov. 16, 1915.

Application filed April 26, 1910. Serial No. 557,720.

To all whom it ma concern:

Be it known t at I, LANGDON Gena, a citizen of the United States,residing at New York city, New York, have invented certain new anduseful Improvements in Processes of and Apparatus for Proofing, of whichthe following is a clear, full, and exact description.

The present invention is a development of the invention described andclaimed in my copending application Serial No. 262,308.

The obJect of this invention is to provide an improved process forproofing fabrics either in the piece, strip or otherwise, and also toprovide certain improvements in apparatus for carrying out said process.

Concisely stated, the process may be said to consist in forcing or inprO ecting a proofing substance in atomized condition directly over theplane of the material to be proofed without directly striking the uppersurface of said material, to form a nebulous cloud or mass thereover,and depositing said substance by gravity onto the upper surface of saidmaterial. The proofing substance or composition may be any suitablewater-proofing substance which is susceptible to atomization.

In a co-pending application filed cotemporaneously herewith, a form ofatomizer 1s described which is preferably used in carrying out thepresent improved process,

although this invention is not necessarily reatomizing the proofingsubstance may be resorted to.

My invention consists of certain novel steps in the process and in theapparatus for carrying out the same, which will be hereinafter describedand then claimed with reference to the accompanying drawings, showing asuitable embodiment of the invention, and in which- Figure 1 is atransverse sectional view of my preferred form of apparatus, on line1-1, Fig. 2. Fig. 2 is a horizontal motional view, on the line 2--2,Fig. 1. Fig. 3 is a transverse section, on the line 3-3, Fig. 1, on alarger scale, and Fig. 4 is a partial section, on line 4 -4, Fi 1.

The chamber 1 in w ich the herein described process is preferablycarried out is composed of upright walls 2, and outer jacket walls 3spaced 9. suitable distance from the walls 2 so as'to provide spaces tocontain heating means 4, preferably in the form of steam pipes, having asuitable steam inlet and an outlet for the exhaust steam. The roof ofthe chamber 1 is also provided with double walls, comprisin an innerwall or roof 5, and an outer wafi o1 roof 6, spaced from roof 5 so as toprovide alrkspace to contain heating coils 7 or the The lower floor 8 ofchamber 1 is shown more clearly in Fig. 3, where it will be seen that ithas gate-controlled openings 9, 10 at opposite ends to permit theassage, through the floor, of a strip of fabric 11 to be proofed. Thegates 9, 10" are pivoted and are arranged in normal contact withopposite surfaces of the fabric strip 11, so as to exclude the coldouter air from the chamber 1 and yet permit the passage of the stripthrough the floor. A pair of guide rollers 12, 13 located at the forwardend of the chamber 1, respectively below and above the floor, guide theincoming end of the strip, while a similar pair of rollers 14, 15, guidethe outgoing end of said strip. That portion of the strip which is beingproofed during any given period of time is elevated I in a plane abovethe ends of the strip, by

means of said rollers 13, 14. The said floor 8 is elevated to form aplatform 16, between the two rollers 13, 14, for convenience sake. Abovethe floor 8 there is an inner floor 17 which is provided with a largecentral aperture 18, which is located above the elevated portion 16 oithe lower floor 8, so that the upper surface of the fabric strip 11 iswell exposed through said aperture. The said inner floor 17 is providedat 0 pcsite edges of the aperture 18 with adjustable plates 19, wherebythe size of the aperture may be diminished or increased so as to exposea less or greater surface of the strip 11 through the aperture. In thespace between the floors 8 and 17 suitable steam or other heating coilsor pi cs 20 are arran d. As is known, the sai chamber 1 is ept highlyheated by means in the nature of those described, in order that theatomized proofing substance or composition will not have a tendency tocongeal in an ob'ectionable manner.

n accordance with the present invention, this process is carried out insuch a way thatthe atomized proofing substance is first formed in anebulous cloud over the surface.

of the material to be proofed and is then deposited almost if notentirely by gravity upon the exposed upper surface of such material. Tothis end there is mounted at opposite sides of the aperture 18 aplurality of atomizers 21, 21, which are arranged so as to direct theirsprays from opposite sides of the heated chamber 1, toward the center,and over the aperture 18. Said atomizers may be constructed in anysuitable manner so as to project a proper spray and are preferablyconstructed in accordance with the disclosure of my application beforereferred to. The atomizers at opposite sides of said aperture 18 aremounted upon receptacles 22, 23, for the liquefied proofing substance,said substance being kept hot in any suitable manner. Each atomizer .21or 21, has a supply tube 24, for liquefied proofing substance, to whichend said tube dips into the proofing substance in the receptacle, andalso a li uid or fluid pressure pipe 25 which supplies pressure fluid orliquid to the atomizer, so as to expel the proofing substance from theatomizer and to atomize the same. A fluid pressure supply pipe 27supplies the plurality of atomizer-s at one side of chamber 1 withpressure fluid, while a similar pipe 28 supplies the atomizers at theother side of chamber 1.

It will be seen from the above description that the atomizer oratomizers at one side of the aperture 18 projects a spray in onedirection toward the center of the heating chamber, while the atomizeror atomizers at the opposite side of said aperture projects a spray orsprays in o posite direction toward the center of the heating chamber.The sprays of atomized proofing substance are directed into a free anduninterrupted air space above the fabric or material to be proofed andin a plane over and substantially parallel with that of the surface ofthe fabric or material to be proofed, so that the sprays themselves donot strike the said material. The object of spraying in this manner isto roduce a nebulous cloud or mass of atomized proofing substance overthe surface of the material to be roofed, in such a manner that theatomized proofing substance will fall or gravitate onto the receptivesurface of the material, whereby said surface is proofed. Formaintaining a draft in the heated chamber 1 to assist in forming saidnebulous cloud and to carry off the surplus atomized proofing substance,a fan or blower 29 shown in Fig. 3, exerts a suction action through anopenin 30 located near the highest point of roo at one side of saidheated chamber.

The double roof 5, 6, is inclined u wardly in one direction from, oneside wal of the heated chamber 1 toward the opposite side wall thereofas shown in Fig. 1, while it is also inclined in another direction fromone of the other two side walls of said heated chamber toward the otherside wall thereof as shown in Fig. 3. Thereby a double inclination isgiven to the roof upwardly from one side wall and also upwardly from anadjacent side wall. The said draft opening 30 is located directly underthe highest corner of the roof so that there is a tendency for thesurplus atomized proofing substance to be sucked out through saidopening at the highest point within the heated chamber. The proofingsubstance which accumulates on the under surface of roof 5 will flowdownwardly toward the lowest level of said roof and thence downwardlyalong the adjacent wall 2 into a discharge gutter 31, which leadsoutside of said heated chamber. In addition to gutter 31 which islocated at one end of the inner floor 17, there are gutters 32, 33 and34 arranged around the other sides of said floor 17. The sides of thefloor 17 beyond the aperture 18 incline from the central portion of theheated chamber downwardly to said gutters 31, 32, 33 and 34 so that anyof the proofing substance which falls onto said floor will flow intosaid gutters and thence out of the heated chamber for the purpose ofbeing saved for future use. i

What I claim as new is:

1. The process of proofing with a proofing substance which is solid atordinary temperature, which consists in projecting a plurality of spraysof heated atomized proofing substance, in direct opposition, that istoward each other, and over the material to be proofed, within a closedheated chamber, so that the substances from the diiferent sprays mingleand depositin said atomized substance onto the upper sur ace of saidmaterial.

2. The process of proofing with a proofing substance which is solid atordinary temperature, which consists in heating roofing substance,projecting a plurality oi sprays of heated atomized proofing substance,in direct opposition, over the material to be proofed, the force of saidprojected substance being in a plane substantially parallel with that ofsaid material, moving said material in a plane parallel with said planeof projection, and depositing said atomized substance onto the uppersurface of said material.

3. An a paratus for proofing with a roofing su bstance, which comprisesmeans or sup orting material to be proofed with one sur ace uppermost,and means for projecting a plurality of sprays of atomized proofingsubstance, in direct opposition, so that the said spra s mingle over thematerial to be proofe so that said substance may be deposited thereon bygravity and in heated condition.

4. An apparatus for proofing with a Ill proofing substance, whichcomprises a heated chamber, means for supporting material to be proot'edwith one surface uppermost, in said chamber, and means for projecting aplurality of sprays of atomized and heated proofing substance, inopposition, over and substantially parallel with the material to beproofed so that said substance may be deposited thereon by gravity andin heated condition.

5. An apparatus for proofing with a proofing substance, which comprisesa chamber having a floor which is inclined on all sides in the directionof the corresponding side walls of said chamber, said floor having anopening in its highest part, and means for applying said proofingsubstances in an atomized conditionto the material exposed through saidopening.

6. An apparatus for proofing with a proofing substance, which comprisesa chamher having a double floor, the inner fioor having an opening,means for exposing the material to be proofed above the lower floor,through said opening in the inner floor, said inner floor being inclinedon all sides in the direction of the corresponding side walls of saidchamber, and means for applying said substance in an atomized conditionto the material exposed through said opening in said floor.

7. An apparatus for proofing with a proofing substance which comprises achamer having a double floor, means for conducting the material to beproofed between said floors and exposing the same through an opening inthe inner floor of said double floor, and means locatedat opposite edgesof said opening for projecting a plurality of sprays of atomizedproofing substance, in

opposition, over the material to be proofed so that said substance maybe deposited thereon by gravity.

8. An apparatus for proofing with a proofing substances, which comprisesmeans for supporting material to be proofed, with one surface uppermost,a floor having an aperture through which said surface is exposed, meansfor adjusting the size of said aperture, means for moving said materialwhile in said position, means for heating said proofing substance, andmeans for projecting said proofing substance in atomized and heatedcondition over, and substantially parallel with, said surface of saidmaterial so that said substance may be deposited thereon by gravity andin heated condition as said material moves along.

9. An apparatus for proofing with a proofing substance, which comprisesa heated chamber having a floor provided with an aperture, means foradjusting the size of said aperture, means for supporting material to beproofed with one surface uppermost and exposed through said aperture,means for moving said materal while in said position, and means forprojecting proofing substance in atomized and heated condition into saidchamber and over, and substantially parallel with, said material so thatsaid substance may be deposited thereon by gravity and in heatedcondition as said mas terial moves along.

Signed at New York city, N. Y. this 15th day of April 1910.

LANGDON GEER.

Witnesses BEATRICE MIRVIS, Cnns'rnn T. NEAL.

- Correction in Letters PatentNo. 1,160,98 0.

It is hereby certified that in Letters Patent No. 1,160,980, grantedNovember 16, 1915, upon the application of Lsngdon Greer, of New York,N. Y., for an improve- 01 and Apparatus for Proofing, an error appearsin the ment in "Pro printed specification requiring correction asfollows: Page 3, lines 17 and 45, claims 5 and 8, for the wordsubstances read substance; and that the said Letters Patent should beread with this correction therein that the same may conform to therecord of the case in the Patent Oflice. v

Signed and sealed this 7th day of December, A. 1)., 1915.

i R. F.

Acting Commissioner ofPateab.

